-er -ol b-u bbb bbc bbd bbe bbf bbg bbh bbl bbn bbo bbr bbu bcb bcc bcd bce bcf bcg bch bcl bcn bco bcr bcu bdb bdc bdd bde bdf bdg bdh bdl bdo bdr bdu be- beb bec bed bee bef beg beh bel ben beo ber beu bfb bfc bfd bfe bff bfg bfh bfl bfn bfo bfr bfu bgb bgc bgd bge bgf bgg bgh bgl bgn bgo bgr bgu bhb bhc bhd bhe bhf bhg bhh bhl bho bhr bhu blb blc bld ble blf blg blh bll bln blo blr blu bnb bnc bnd bne bnf bng bnl bnn bno bnr bnu bob boc bod boe bof bog boh bol bon boo bor bou brb brd bre brf brg brh brl brn bro brr bru bub buc bud bue buf bug buh bul bun buo bur buu c-- cbb cbc cbd cbe cbf cbg cbh cbl cbn cbo cbr cbu ccb ccc ccd cce ccf ccg cch ccl ccn cco ccr ccu cdb cdc cdd cde cdf cdg cdh cdl cdn cdo cdr cdu ce- ceb cec ced cee cef ceg ceh cel cen ceo cer ceu cfb cfc cfd cfe cff cfg cfh cfl cfn cfo cfr cfu cgb cgc cgd cge cgg cgh cgl cgn cgo cgr cgu ch- chb chc chd che chf chg chh chl chn cho chr chu cl- clb clc cld cle clf clg clh cll cln clo clr clu cn- cnb cnc cnd cne cnf cng cnh cnl cnn cno cnr cnu co- cob coc cod coe cof cog coh col con coo cor cou crb crc crd cre crf crg crh crl crn cro crr cru cub cuc cud cue cuf cug cuh cul cun cuo cur cuu dbb dbc dbd dbe dbf dbg dbh dbl dbn dbo dbr dbu dcb dcc dcd dce dcf dcg dcl dcn dco dcr dcu ddb ddc ddd dde ddf ddg ddh ddl ddn ddo ddr ddu de- deb dec ded dee def deg deh del den deo der deu dfb dfc dfd dfe dff dfg dfh dfl dfn dfo dfr dfu dgc dgd dge dgf dgg dgh dgl dgn dgr dgu dh- dhb dhc dhd dhe dhf dhh dhl dho dhr dhu dl- dlb dlc dld dle dlf dlg dlh dll dlo dlr dlu dnb dnc dnd dne dnf dng dnh dnl dnn dno dnr dob doc dod doe dof dog doh dol don doo dor dou drb drc drd dre drg drl drn dro drr dru dub duc dud due duf dug duh dul dun duo dur ebb ebc ebd ebe ebf ebg ebh ebl ebn ebo ebr ebu ec- ecb ecc ecd ece ecf ecg ech ecl ecn eco ecr ecu ed- edb edc edd ede edf edg edh edl edn edo edr edu eeb eec eed eee eef eeg eel een eeo eer ef- efb efc efd efe eff efg efh efl efo efr egb egc egd ege egf egg egh egl egn ego egr egu ehb ehc ehd ehe ehf ehg ehh ehl ehn eho ehr ehu elb elc eld ele elf elg elh ell eln elo elr elu en- enb enc end ene enf eng enh enl enn eno enr enu eo- eob eoc eod eoe eof eog eoh eol eon eoo eor eou erb erc erd ere erf erg erh erl ern ero err eru eu- eub euc eud eue euf eug eul eun eur fbb fbc fbd fbe fbf fbg fbh fbl fbn fbo fbr fbu fcb fcc fcd fce fcf fcg fcl fcn fco fcr fcu fdb fdc fdd fde fdf fdg fdh fdl fdn fdo fdr fdu feb fec fed fee fef feg feh fel fen feo fer feu ffc ffd ffe fff ffg ffh ffl ffn ffo ffr ffu fgb fgc fgd fge fgf fgg fgh fgl fgn fgr fhb fhc fhe fhf fhg fhh fhl fhn fho fhr flb flc fld fle flf flg fll fln flo flr flu fnb fnc fnd fne fnf fng fnh fnl fnn fnr fnu fob foc foe fof fog foh fol fon foo for fou frb frc frd fre frf frg frh frl frn fro frr fru fub fud fue fuf fug ful fun fuo fur fuu g-d gbc gbd gbe gbf gbg gbh gbl gbn gbo gbr gbu gcb gcc gcd gce gcf gcg gch gcl gcn gco gcr gcu gdb gdc gdd gde gdf gdh gdl gdn gdo gdr gdu ge- geb gec ged gee gef geg geh gel gen geo ger geu gfb gfc gfd gfe gff gfh gfl gfo gfr ggb ggc ggd ggg ggh ggn ggo ggr ggu ghb ghc ghd ghe ghg ghh ghl ghn gho ghr glb glc gld gle glf glg glh gll gln glo glr glu gnb gnc gnd gne gnf gnl gnn gno gnr gnu gob goc god goe gof gog goh gol gon goo gor gou grb grc grd gre grf grg grh grl grn gro grr gru gu- gub guc gud gue guf gug gul gun guo gur guu hbb hbc hbd hbe hbf hbg hbh hbl hbn hbo hbr hbu hcb hcc hcd hce hcf hcg hch hcl hcn hco hcr hdb hdc hdd hde hdf hdg hdh hdl hdn hdo hdr hdu he- heb hec hed hee hef heg heh hel hen heo her heu hfb hfc hfd hfe hff hfg hfh hfl hfn hfo hfr hfu hgb hgc hge hgf hgg hgh hgl hgn hgo hgr hgu hhb hhc hhd hhe hhf hhg hhh hhl hhn hho hhr hhu hlb hlc hld hle hlf hlg hlh hll hln hlo hlr hlu hnb hnc hnd hne hnf hng hnh hnl hnn hno hnu hob hoc hod hoe hof hog hoh hol hon hoo hor hou hr- hrb hrc hrd hre hrf hrg hrh hrl hrn hro hrr hru hub huc hud hue huf hug huh hul hun huo hur huu lbb lbc lbd lbe lbf lbg lbh lbl lbo lbr lbu lcb lcc lcd lce lcf lcg